3/8"-16 X 1" Machine Screws | Truss Head | Six Lobe Drive | Steel Zinc Plated (750/Pkg.) Powers Fasteners while the pan head provides

while the pan head provides a broad bearing surface for secure seating

and other small-assembly applications

These bolts combine a flange head with a serrated hex washer

Flange Bolts Serrated Hex Washer 3/8-16 X 1/2 are compact fasteners featuring a flange head with a built-in serrated hex washer for secure

accurate holes in concrete

3/8"-16 X 1" Machine Screws | Truss Head | Six Lobe Drive | Steel Zinc Plated (750/Pkg.) Powers Fasteners while the pan head providesMachine Screws Six Lobe Truss Steel Zinc 3 8 16X1 a rugged, high precision fastener designed for secure, low profile mounting in metal assemblies. The six lobe drive (Torx compatible) and expansive truss head deliver superior torque transfer and broad contact area for reliable performance. Size: 3 8 16 UNC, 1 inch long Head style: Six Lobe Truss head for a low profile appearance and generous bearing surface Drive: Six lobe drive for high torque